6-Bromo-4-methyl-1,2-dihydronaphthalene CAS 35943-87-4

Description

The occurrence of 6-Bromo-4-methyl-1,2-dihydronaphthalene is closely related to bromine substitution, an aromatic ring system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

6-Bromo-4-methyl-1,2-dihydronaphthalene (CAS 35943-87-4), molecular formula C11H11Br and molecular weight 223.11 g/mol, is a CATO reference standard with documented purity and traceability.

Owing to bromine substitution, an aromatic ring system, 6-Bromo-4-methyl-1,2-dihydronaphthalene is typically off-white to pale yellow low-melting solid. Its solid-state physicochemical attributes — including a molecular weight of 223.11 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.

This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.

The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.

Physical & Chemical Properties

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